Conference chair



FIG. 1 is a top, front and left side perspective view of a conference chair showing our new design;

FIG. 2 is a front elevational view thereof shown when in a folded state;

FIG. 3 is a right side elevational view thereof shown when in a folded state; and,

FIG. 4 is a top, rear and right side perspective view thereof. 

The ornamental design for a conference chair, as shown and described. 